Techniques for deduplicated data access statistics management

a data access statistics and management technology, applied in the field can solve the problems of inaccuracy of data access statistics and/or loss of data access statistics, significant problems and shortcomings of current data access statistics management technologies, and achieve the effect of faster access times and faster seek times

Active Publication Date: 2016-11-01
VERITAS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]In accordance with additional aspects of this particular embodiment, higher tier storage may comprise at least one of: storage with faster access times, storage with faster seek times, and storage spread across multiple disks.

Problems solved by technology

However, data may be deduplicated, which may cause inaccurate data access statistics and / or loss of data access statistics.
Such deduplication may result in incorrect data access statistics and / or I / O temperatures for a deduplicated block or segment.
In view of the foregoing, it may be understood that there may be significant problems and shortcomings associated with current data access statistics management technologies.

Method used

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  • Techniques for deduplicated data access statistics management
  • Techniques for deduplicated data access statistics management
  • Techniques for deduplicated data access statistics management

Examples

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Embodiment Construction

[0030]FIG. 1 shows a block diagram depicting a network architecture 100 for data access statistics management in accordance with an embodiment of the present disclosure. FIG. 1 is a simplified view of network architecture 100, which may include additional elements that are not depicted. Network architecture 100 may contain client systems 110, 120 and 130, as well as servers 140A and 140B (one or more of which may be implemented using computer system 200 shown in FIG. 2). Client systems 110, 120 and 130 may be communicatively coupled to a network 150. Server 140A may be communicatively coupled to storage devices 160A(1)-(N), and server 140B may be communicatively coupled to storage devices 160B(1)-(N). Servers 140A and 140B may contain a management module (e.g., data access statistics management module 154 of server 140A). Servers 140A and 140B may be communicatively coupled to a SAN (Storage Area Network) fabric 170. SAN fabric 170 may support access to storage devices 180(1)-(N) by...

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Abstract

Techniques for data access statistics management are disclosed. In one particular embodiment, the techniques may be realized as a method for data access statistics management comprising determining that a portion of data has been deduplicated, and modifying access statistics of the portion of data for each reference to the portion of data.

Description

FIELD OF THE DISCLOSURE[0001]The present disclosure relates generally to data access statistics and, more particularly, to techniques for deduplicated data access statistics management.BACKGROUND OF THE DISCLOSURE[0002]Optimization of data access may be performed using data access statistics. Data access statistics may include tracking writes and / or reads of a block, segment, or other portion of data. Data that is accessed more frequently may be considered as having a higher Input / Output (I / O) temperature. The data access statistics and / or I / O temperature of data may be used to make storage decisions about data (e.g., data with hotter I / O temperatures may be stored in storage with faster access times). However, data may be deduplicated, which may cause inaccurate data access statistics and / or loss of data access statistics. Specifically, duplicate segments or blocks of data may be eliminated and replaced with references to a single copy of the segments or blocks. Such deduplication ...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G06F17/30
CPCG06F17/3015G06F17/30153G06F16/174G06F16/1744
Inventor SRIDHARAN, SRINEETBANERJEE, ANINDYAKHANDELWAL, ATUL
Owner VERITAS TECH
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